electric hydraulic marine proportional control valve
Related Translations:
比例: 1.(长度上缩小和放大的倍数) scale; scaling 短语和例子比例是用一时代表一哩。the scale is an inch to the mile.2.(比率) proportion; ratio; proportionality 短语和例子正比例 direct ratio [proportion]; 反比例 inverse [reverse] proporti
